/*****************************************************************************/
/**       Copyright 1988 by Evans & Sutherland Computer Corporation,        **/
/**                          Salt Lake City, Utah                           **/
/**  Portions Copyright 1989 by the Massachusetts Institute of Technology   **/
/**                        Cambridge, Massachusetts                         **/
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/*****************************************************************************/


/***********************************************************************
 *
 * $XConsortium: menus.h,v 1.24 89/12/10 17:46:26 jim Exp $
 *
 * twm menus include file
 *
 * 17-Nov-87 Thomas E. LaStrange		File created
 *
 ***********************************************************************/

#ifndef _MENUS_
#define _MENUS_

#define TWM_ROOT	"bLoB_GoOp"	/* my private root menu */
#define TWM_WINDOWS	"TwmWindows"	/* for f.menu "TwmWindows" */

#define MAX_FILE_SIZE 4096	/* max chars to read from file for cut */

typedef struct MenuItem
{
    struct MenuItem *next;	/* next menu item */
    struct MenuItem *prev;	/* prev menu item */
    struct MenuRoot *sub;	/* MenuRoot of a pull right menu */
    struct MenuRoot *root;	/* back pointer to my MenuRoot */
    char *item;			/* the character string displayed */
    char *action;		/* action to be performed */
    Pixel fore;			/* foreground color */
    Pixel back;			/* background color */
    Pixel hi_fore;		/* highlight foreground */
    Pixel hi_back;		/* highlight background */
    short item_num;		/* item number of this menu */
    short x;			/* x coordinate for text */
    short func;			/* twm built in function */
    short state;		/* video state, 0 = normal, 1 = reversed */
    short strlen;		/* strlen(item) */
    short user_colors;		/* colors were specified */
} MenuItem;

typedef struct MenuRoot
{
    struct MenuItem *first;	/* first item in menu */
    struct MenuItem *last;	/* last item in menu */
    struct MenuRoot *prev;	/* previous root menu if pull right */
    struct MenuRoot *next;	/* next in list of root menus */
    char *name;			/* name of root */
    Window w;			/* the window of the menu */
    Window shadow;		/* the shadow window */
    Pixel hi_fore;		/* highlight foreground */
    Pixel hi_back;		/* highlight background */
    short mapped;		/* NEVER_MAPPED, UNMAPPED, or MAPPED */
    short height;		/* height of the menu */
    short width;		/* width of the menu */
    short items;		/* number of items in the menu */
    short pull;			/* is there a pull right entry ? */
    short entered;		/* EnterNotify following pop up */
    short real_menu;		/* this is a real menu */
} MenuRoot;

#define NEVER_MAPPED	0	/* constants for mapped field of MenuRoot */
#define UNMAPPED	1
#define MAPPED		2


typedef struct MouseButton
{
    int func;			/* the function number */
    int mask;			/* modifier mask */
    MenuRoot *menu;		/* menu if func is F_MENU */
    MenuItem *item;		/* action to perform if func != F_MENU */
} MouseButton;

typedef struct FuncKey
{
    struct FuncKey *next;	/* next in the list of function keys */
    char *name;			/* key name */
    KeySym keysym;		/* X keysym */
    KeyCode keycode;		/* X keycode */
    int cont;			/* context */
    int mods;			/* modifiers */
    int func;			/* function to perform */
    char *win_name;		/* window name (if any) */
    char *action;		/* action string (if any) */
} FuncKey;

extern int RootFunction;
extern MenuRoot *ActiveMenu;
extern MenuItem *ActiveItem;
extern int MoveFunction;
extern int WindowMoved;
extern int ConstMove;
extern int ConstMoveDir;
extern int ConstMoveX;
extern int ConstMoveY;
extern int ConstMoveXL;
extern int ConstMoveXR;
extern int ConstMoveYT;
extern int ConstMoveYB;

#define MAXMENUDEPTH	10	/* max number of nested menus */
extern int MenuDepth;

#define MOVE_NONE	0	/* modes of constrained move */
#define MOVE_VERT	1
#define MOVE_HORIZ	2

#define WARPSCREEN_NEXT "next"
#define WARPSCREEN_PREV "prev"
#define WARPSCREEN_BACK "back"

#define COLORMAP_NEXT "next"
#define COLORMAP_PREV "prev"
#define COLORMAP_DEFAULT "default"

extern void InitTitlebarButtons();
extern void InitMenus();
extern MenuRoot *NewMenuRoot();
extern MenuItem *AddToMenu();
extern Bool PopUpMenu();
extern MenuRoot *FindMenuRoot();
extern Bool AddFuncKey();
extern int ExecuteFunction();
extern int DeferExecution();
extern void Execute();
extern void FocusOnRoot();

#endif /* _MENUS_ */